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Penn Engineers Contribute to New Understanding of Friction on Graphene

Penn Engineers Contribute to New Understanding of Friction on Graphene

Graphene, a two-dimensional form of carbon in sheets just one atom in thick, has been the subject of widespread research, in large part because of its unique combination of strength, electrical conductivity and chemical stability.

Evan Lerner , Ali Sundermier

Power Poses Don’t Help and Could Potentially Backfire, Penn Study Shows

Power Poses Don’t Help and Could Potentially Backfire, Penn Study Shows

The idea behind power poses, that if you stand in a “powerful” position, broad posture, hands on hips, shoulders high and pushed back, you will suddenly feel psychologically and physiologically stronger, is intuitively appealing, especially for people without much confidence.

Michele W. Berger

Ten Penn Professors Named AAAS Fellows for 2016

Ten Penn Professors Named AAAS Fellows for 2016

Ten professors from the University of Pennsylvania have been named Fellows of the American Association for the Advancement of Science. They are among a class of 391 members honored for their scientifically or socially distinguished efforts to advance science or its applications.

Katherine Unger Baillie , Karen Kreeger

Penn Engineers and Chemists Make Nanoscale ‘Muscles’ Powered by DNA

Penn Engineers and Chemists Make Nanoscale ‘Muscles’ Powered by DNA

The base pairs found in DNA are key to its ability to store protein-coding information, but they also give the molecule useful structural properties. Getting two complementary strands of DNA to zip up into a double helix can serve as the basis of intricate physical mechanisms that can push and pull molecular-scale devices.

Evan Lerner , Ali Sundermier

Penn Psychologists Tap Big Data, Twitter to Analyze Accuracy of Stereotypes

Penn Psychologists Tap Big Data, Twitter to Analyze Accuracy of Stereotypes

What’s in a tweet? People draw conclusions about us, from our gender to education level, based on the words we use on social media. Researchers from the University of Pennsylvania, along with colleagues from the Technical University of Darmstadt and the University of Melbourne, have now analyzed the accuracy of those inferences.

Michele W. Berger